# Registering your GPS Maps [MAC]
# How to register your GPS maps MicroSD
[](https://brmb.support/uploads/images/gallery/2023-09/gps-maps-plug-play-800x673.png)
[](https://brmb.support/uploads/images/gallery/2022-07/2columns-titles-gps-register.png)
*Technical guide – Backroad Map Books*
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## 1. Why Register Your MicroSD?
| Feature | Description |
|---|
| **Computer‑based map downloads** | Access to the latest *Computer Maps* for macOS & Windows. |
| **Secure license storage** | Keeps your **`gmapsupp.unl`** and **`gmapsupp.gma`** files safe in your account. |
| **Discounted updates** | Receive future map releases at a reduced price. |
| **Priority technical support** | Faster response for any Garmin‑map‑related issue. |
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## 2. Prerequisites
| Step | Action | Notes |
|---|
| 1 | **Insert the MicroSD card** | • If your computer has an SD‑card slot, insert the card directly.
• If not, plug the card into your Garmin GPS and connect the GPS to your computer via USB. |
| 2 | **Log in to Backroad Map Books** | URL: [https://backroadmapbooks.com/account/login](https://backroadmapbooks.com/account/login)
Create an account if you do not already have one. |
| 3 | **Locate the license files** | The required files (`gmapsupp.unl` and `gmapsupp.gma`) are in the **Garmin** folder on your MicroSD. |
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1. After login, click the **“MY GPS MAPS”** button (top‑right).
2. On the resulting page, select **“Register SD”**.
### 3.2 Upload the Unlock Code & GMA File
| Field | File | How to select |
|---|
| **Unlock Code (`gmapsupp.unl`)** | `gmapsupp.unl` | Use the **Choose File** button to pick this file from the *Garmin* folder. |
| **Gma File (`gmapsupp.gma`)** | `gmapsupp.gma` | Use the **Choose File** button for the second field. |
1. Once both files appear in the form, click **SUBMIT**.
2. A green confirmation box will appear, and your product will be listed under “My Products”.
> **Result:** The MicroSD card is now registered to your Backroad Map Books account.
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## 4. Post‑Registration
- **Access the “Computer Maps”** – Log in, go to **“My Products”** and download the latest PC‑compatible maps.
- **Update within 60 days** – Download updates for free.
- **Backup your files** – Although the unlock codes are stored in the cloud, keep local copies of the `.unl` and `.gma` files on your computer for future reference.
[](https://brmb.support/uploads/images/gallery/2025-03/product.png)
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## 4. Common Error Messages & Fixes
| Error | Cause | Remedy |
|---|
| **“No ESN data found with unlockCode”** | ESN (Electronic Serial Number) missing or corrupted. | Contact Backroad Map Books support (email: gps<at>backroadmapbooks.com). |
| **“Invalid File Uploaded”** | Wrong file type chosen (e.g., a `.zip` instead of `.gma` or `.unl`). | Re‑select the exact `.gma` and `.unl` files from the Garmin folder. |
| **“This card has already been registered”** | Card was previously registered on another account or already updated. | Not recoverable – you must purchase a new card or contact support for advice. |
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## 5. Quick Reference
| Action | Shortcut |
|---|
| Log in | `Ctrl+L` (Chrome) |
| Open registration | **MY GPS MAPS** → **Register SD** |
| File picker | `gmapsupp.unl` → **Choose File**; `gmapsupp.gma` → **Choose File** |
| Submit | **SUBMIT** button |
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---
*Prepared by the Backroad Map Books Technical Support Team*
# Registering your GPS Maps Digital
[](https://brmb.support/uploads/images/gallery/2022-07/2columns-titles-gps-register.png)
## 1. Overview
This guide explains how to register your digital map access code so you can:
- Download computer‑compatible maps for macOS or Windows.
- Store a secure copy of your Garmin license/unlock files.
- Receive future updates at a discounted price.
- Access priority technical support.
> **NOTE:** After registration, you receive **free map updates for 60 days**.
> Older versions purchased from a retailer can be upgraded to the latest maps within that 60‑day window.
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## 2. Registration Benefits
| Benefit | Description |
|---|
| **Computer‑based map downloads** | Get the latest map files for macOS and Windows. |
| **Secure license storage** | Your Garmin license/unlock files are safely stored in the cloud. |
| **Discounted future updates** | Pay less for subsequent map releases. |
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## 3. Update & Upgrade Policy
| Item | Policy |
|---|
| **First‑time registration** | 60‑day free update period begins on the day you click *Submit*. |
| **Subsequent upgrades** | If you purchased a previous map edition from a retailer, you may upgrade to the newest edition within 60 days of the first registration. |
| **After 60 days** | Updates become paid and must be purchased through the Backroad Map Books website. |
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## 3. Prerequisites
| Item | Requirement | How to Obtain |
|---|
| MicroSD Card
(Optional)
| *If you choose to use a microSD card (not the physical memory).* | Insert into a GPS or computer with an SD reader. |
| **ACCESS CODE** | A unique alphanumeric code printed on the MicroSD packaging. | Look for the “ACCESS CODE” sticker on the card’s label. |
| **UnitID** | A 10‑digit number that identifies your Garmin GPS. | Open the GPS → *Settings* → *About* (or *Device Info*) to view the UnitID. |
| Internet Connection | Required to submit the registration form and download computer maps. | Any reliable broadband or Wi‑Fi connection. |
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1. Open a web browser and navigate to
`https://backrockodmapbooks.com`
2. Click **Sign In** (top‑right) and enter your account credentials.
[](https://brmb.support/uploads/images/gallery/2025-03/2024-11-26-16-20-05-account-backroad-maps-opera.png)
### 4.2 Navigate to the Digital Map Registration Page
1. Once logged in, click **My Account** → **Digital Maps** → **Register Your Digital Map**.
!\[Navigate to Digital Maps\](https://brmb.support/uploads/images/gallery/2025-03/scaled-1680-/reg.png)
### 4.3 Enter the Registration Data
| Field | Input | Example |
|---|
| **Access Code** | The code printed on the MicroSD card label. | `BCBC-7r3325caa-8cec-483d-97db-059d88f78f29` |
| **UnitID** | 10‑digit GPS unit identifier. | `1234567890` |
- Review the values you entered.
- Click **SUBMIT**.
- If registration succeeds, a green success message will appear and the new product will be listed under your account.
> [](https://brmb.support/uploads/images/gallery/2025-03/regsuccess.png)
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## 5. After Registration
- **Your digital maps are now registered** and available for download.
- The new product appears in the *My Gps Maps* section of your account.
- You can immediately start downloading the computer‑ready map files.
> [](https://brmb.support/uploads/images/gallery/2025-03/product.png)
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## 6. Post‑Registration Tasks
1. **Download the computer‑map files**:
- From your account, click **Download** next to the registered product.
- Choose *macOS* or *Windows* as required.
- Follow the on‑screen prompts to install.
2. **Backup your license files**:
- You can also download a copy of your Garmin license/unlock files from the portal for local backup.
3. **Schedule future updates**:
- Within the 60‑day free window, simply click **Get Updates** in the portal.
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## 7. Troubleshooting
| Symptom | Likely Cause | Fix |
|---|
| Registration fails with *“Invalid Access Code”* | Wrong Access Code or UnitID entered | Re‑check the GPS UnitID. |
| Registration fails with *“UnitID already registered”* | The same UnitID was registered previously | Contact support; you may have a duplicate product or need to unlink the old registration. |
| Unable to download updates after 60 days | The free update window has expired | Purchase the latest map edition through the portal. |
| Green success box never appears | Browser security block (e.g., pop‑up blocker) | Disable pop‑up blockers or try a different browser. |
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## 9. Contact & Support
| Channel | Availability | Notes |
|---|
| **Email** | Mon‑Fri 9:00‑17:00 PST | gps<at>backroadmapbooks.com |
| **Phone** | Mon‑Fri 9:00‑17:00 PST | (877)-520-5670 |
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